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Submitting QSOs From a Logging Application

All of the applications listed below can export a file that can be digitally signed by TQSL.  Some of these applications can directly upload your QSOs to LotW, and update logged QSOs to reflect their acceptance and confirmation by LoTW. The ARRL does not recommend one application over another. You should review the features of each each application to decide which one best suits your operating style.

If you need help with one of these applications, please contact the developer or support organization.  The ARRL's LoTW Help Desk does not support logging applications or any other third party software.

Windows Logging Applications

Application URL Support Email or URL
Cabrillo Criollo LU4EG www.cabrillocriollo.com.ar (Link Broken)  
CheckLog https://checklog.jimdo.com/ checklog@bk.ru
DX4Win https://dx4win.com/ support@dx4win.com
DXLab www.dxlabsuite.com DXLab@groups.io
DXtreme Station Log https://www.dxtreme.com/  
Easy Log https://www.easylog.com/ support@easylog.com
Ham Office https://www.hamoffice.de/  
Ham Radio Deluxe https://www.hamradiodeluxe.com Support@hrdsoftwarellc.com
KLog                   https://www.klog.xyz           https://www.klog.xyz/contact/
Log4OM https://www.log4om.com https://forum.log4om.com
Logger32 https://www.logger32.net/ hamlogger@yahoogroups.com
LOGic 9 https://www.hosenose.com/radio/  
N1MM Logger https://n1mm.com/ N1MMLogger@yahoogroups.com
N3FJP AC Log https://n3fjp.com/ snkdavis@aol.com
NewLogOSH http://newlogoshlogger.com/ newlogosh@gmail.com
Pignology https://pignology.net/  
Swisslog https://www.swisslogforwindows.com/ support@swisslogforwindows.com
Ucxlog https://www.ucxlog.org/  
VQLog https://www.vqlog.com/ https://contact.vqlog.com/
WriteLog https://writelog.com/  
XMLog https://www.xmlog.com/ support@xmlog.com


Mac OS X Logging Applications

Application                URL support email
Aether Logbook https://www.aetherlog.com/  
KLog                     https://www.klog.xyz           https://www.klog.xyz/contact/
Mac Logger DX https://dogparksoftware.com/MacLoggerDX.html  
Rum Log https://www.dl2rum.de/rumsoft/RUMLog.html  


Linux Logging Applications

Application               URL                                                                 support email
CQRLOG https://www.cqrlog.com  
KLog           https://www.klog.xyz https://www.klog.xyz/contact/
XLog https://xlog.nongnu.org/  


Other Applications

Application    URL support email
ADIF to Excel or Excel to ADIF https://dl1hw.darc.de/adif_en.html (Link Broken)  
ADIF Master https://www.dxshell.com/soft/am.html  


Please send change requests for this page to: lotw-help@arrl.org